2.1.4.3.1.4.2 Hayagrīva (horse Neck), Of The Speech Family > 2.2.5 The Ocean Of Sādhanas Translated By The Translator Drakpa Gyeltsen > Literal Treatises Teaching The Training In Supreme Wisdom > 3.1.1.1.4 The Fourth Tradition Of The Great Chariot....prajñāpāramitā Saṁgraha